Pipe joints or couplings – Essential catch
Patent
1993-12-23
1994-12-20
Arola, Dave W.
Pipe joints or couplings
Essential catch
285308, 285317, 285319, F16L 3712
Patent
active
053740882
ABSTRACT:
A releasable plug-in connector for receiving a tubular plug-in part having a peripheral retaining rib. The plug-in connector consists of a housing having a cylindrical receiving space for receiving the plug-in part, and a separate securing ring made from a hard/resilient plastic material. The ring has retaining edges directed inwardly in the form of an arc of a circle that are pushed apart as the plug-in part is pushed into the connector and that then spring back elastically and engage behind the retaining rib after the plug-in part has been pushed in to lock the part in the connector. The retaining edges are connected to one another at their ends by a pair of V-shaped spring webs that are accessible from the outside of the housing so that they can be pushed into an unlocked position permitting the part to be pulled out of the connector.
REFERENCES:
patent: 4423892 (1984-01-01), Bartholomew
patent: 4541657 (1985-09-01), Smyth
patent: 4591192 (1986-05-01), Van Exel
patent: 4721331 (1988-01-01), Lemelshtrich
patent: 4844512 (1989-07-01), Gahwiler
patent: 5074601 (1991-12-01), Spurs et al.
patent: 5090747 (1992-02-01), Kotake
patent: 5269571 (1993-12-01), Haggard
D'Aloia Gaetan
Moretti Erminio
A. Raymond & Cie
Arola Dave W.
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